On 01/27/2012 09:34 AM, David Miller wrote: > From: Richard Henderson <r...@redhat.com> > Date: Fri, 27 Jan 2012 09:29:00 +1100 > >> Two of the patches have been posted here before; the libstdc++ >> patch was approved by Benjamin. >> >> All of the patches tested on sparc64-linux, and sanity checked >> on x86_64-linux. I've cross-compiled for m68k-linux, but I've >> only been able to visually sanity check the code in libstdc++. >> >> Committed. Hopefully that wraps up the atomic patches... > > Why do you need to define TARGET_ATOMIC_TEST_AND_SET_TRUEVAL to 0xff > on sparc if you're going to convert the result into a bool in the > expander?
Because the value stored in memory is 0xff, and not a boolean. The boolean is only the result type of __atomic_test_and_set. r~
